Colour
#FF5548
- #FF5548
- Red
- Dark
- Nearest: Tomato
#FF5548 is a red with RGB values 255, 85, 72 and HSL 4°, 100%, 64%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Tomato.
Colour values
#FF5548#FF5548
HEX#FF5548
RGBrgb(255, 85, 72)
RGB (0–1)1, 0.3333, 0.2824
RGB percentages100%, 33.3%, 28.2%
HSLhsl(4.3, 100%, 64.1%)
HSV / HSBhsv(4.3, 71.8%, 100%)
CMYK0%, 66.7%, 71.8%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,733,512
CSS custom property--colour: #FF5548;
Brightness & contrast
Relative luminance0.28225WCAG 2.x, 0 is black and 1 is white
Perceived brightness155.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.64:1
Contrast with white3.16:1WCAG normal text: Fail
Contrast with black6.64:1WCAG normal text: AA
Greyscale equivalent#787878
Inverted#00AAB7
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.16:1WCAG large text: AA
Contrast with black, large text6.64:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#48F2FF
Analogous#FF4897, #FFB048
Triadic#48FF55, #5548FF
Split complementary#48FFB0, #4897FF
Tetradic#97FF48, #48F2FF, #B148FF
Tints, shades & saturation
Channel breakdown
R255
G85
B72
Red255 (100%)
Green85 (33.3%)
Blue72 (28.2%)
Hue4.26°
Saturation (HSL)100%
Lightness64.12%
Dominant channelRed
Hex per channelR FF · G 55 · B 48
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